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Risk factors for Barrett's esophagus in community-based practice. GORGE consortium. Gastroenterology Outcomes
D A Lieberman1, M Oehlke, M Helfand
1Department of Medicine, Oregon Health Sciences University, and Portland Veterans Affairs Medical Center, 97207, USA.
Objectives:
Endoscopy is often performed in patients with gastroesophageal reflux (GER) disease because of concern about the presence of Barrett's esophagus (BE). The purpose of this study was to determine whether the duration of GER symptoms and/or a history of esophagitis was associated with an increased risk of BE.
Methods:
This was an observational, prospective, community-based study. Consecutive patients undergoing elective endoscopy because of GER symptoms were enrolled. Endoscopy reports and pathological findings were reviewed to classify patients as having no esophagitis, esophagitis, or probable BE. Correlations with duration of symptoms and a history of esophagitis were analyzed.
Results:
In all, 701 of 2641 patients (27%) undergoing elective endoscopy had GER symptoms, and 77 of these patients had probable BE. Compared with patients with GER symptoms for less than 1 yr, the odds ratio for BE in patients with GER symptoms for 1-5 years was 3.0 and increased to 6.4 in patients with symptoms for more than 10 yr (p < 0.001). A history of esophagitis was not an independent risk factor for BE (p = 0.17).
Conclusions:
Prevalence of BE is strongly associated with duration of GER symptoms.